Qualified std::tolower in Clara.

Fixes #543
catchorg · Mar 10, 2017 · 5d6c744 · 5d6c744
1 parent 5dd0639
commit 5d6c744
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/include/external/clara.h b/include/external/clara.h
@@ -397,7 +397,7 @@ namespace Clara {
             _dest = _source;
         }
         char toLowerCh(char c) {
-            return static_cast<char>( ::tolower( c ) );
+            return static_cast<char>( std::tolower( c ) );
         }
         inline void convertInto( std::string const& _source, bool& _dest ) {
             std::string sourceLC = _source;